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CVE-2025-6545— pbkdf2 silently returns predictable uninitialized/zero-filled memory for non-normalized or unimplemented algos supported by Node.js

Quick assessment

Affected
CVE-2025-6545
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Browserify pbkdf2是Browserify开源的一个哈希算法软件 Browserify pbkdf2 3.1.2及之前版本存在安全漏洞，该漏洞源于输入验证不当导致签名欺骗。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.45% · P36

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

I. Basic Information for CVE-2025-6545

Vulnerability Information
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Vulnerability Title
pbkdf2 silently returns predictable uninitialized/zero-filled memory for non-normalized or unimplemented algos supported by Node.js
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Input Validation vulnerability in pbkdf2 allows Signature Spoofing by Improper Validation. This vulnerability is associated with program files lib/to-buffer.Js. This issue affects pbkdf2: from 3.0.10 through 3.1.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Browserify pbkdf2 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Browserify pbkdf2是Browserify开源的一个哈希算法软件 Browserify pbkdf2 3.1.2及之前版本存在安全漏洞，该漏洞源于输入验证不当导致签名欺骗。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

II. Public POCs for CVE-2025-6545

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III. Intelligence Information for CVE-2025-6545

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Vendor Advisories for CVE-2025-6545 (1)

IV. Related Vulnerabilities

Same weakness: CWE-20

V. Comments for CVE-2025-6545

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